Women emerging as the main source of agricultural labour is leading to:

Feminisation of agricultural labour

The correct answer is Option (3) - Feminisation of agricultural labour.

The largescale circulation of labour has had several significant effects on rural society, in both the receiving and the supplying regions. For instance, in poor areas where male family members spend much of the year working outside of their villages, cultivation has become primarily a female task. Women are also emerging as the main source of agricultural labour, leading to the ‘feminisation of agricultural labour force. The insecurity of women is greater because they earn lower wages than men for similar work. Until recently, women were hardly visible in official statistics as earners and workers. While women toil on the land as landless labourers and as cultivators, the prevailing patrilineal kinship system, and other cultural practices that privilege male rights, largely exclude women from land ownership